Universal power supply



FIG. 1 is a top plan view of a universal power supply, showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof, the left side elevational view being a mirror image of the right side elevational view;

FIG. 6 is a front, right, top isometric view thereof; and,

FIG. 7 is a rear, left, top isometric view thereof.

The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design. 

We claim the ornamental design for a universal power supply, as shown and described. 